摘要： C#中执行SQL语句//SQL查询语句 public DataTable query(string sql) { //server=127.0.0.1; DataTable dt=new DataTable(); //DataRow dr; string connString = "server=127.0.0.1;uid=sa;pwd=;database=TJPTTC"; SqlConnection conn = new SqlConnection(connString); SqlDataAdapter adapter = new SqlDataAdapter(s... 阅读全文